True Or False

Question 6 :

A null value is assigned when no other value applies.


A). True
B). False
Answer : Option A

Question 7 :

A synonym is two or more attributes that have different names but the same meaning.


A). True
B). False
Answer : Option A

Question 8 :

The primary key in a relation does not need to be underlined.


A). True
B). False
Answer : Option B

Question 9 :

In a 1:M relationship, the primary key on the one side migrates to the many side to become the foreign key on the many side.


A). True
B). False
Answer : Option A

Question 10 :

Normalization is a formal process for deciding which attributes should be grouped together in a relation.


A). True
B). False
Answer : Option A